ashleydawn1731 ashleydawn1731
  • 09-04-2024
  • Business
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A random sample of n1=20 securities in Economy A produced mean returns of x̄ 1=5.4. A random sample of n2=17 securities in Economy B produced mean returns of x̄ 2=4.5. What is the difference in mean returns between the two economies?

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